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NAME: KCV
UNIT 6
.
C0NNECTING ALGEBRA AND GEOMETRY THR0UGH CO0RDINATES
Lesson 1: Slope*and Distance
Problem-Based Task 6.1.2: Field of Dreams
A square is a quadrilateral with two pairs of parallel opposite sides, consecutive sides that are
perpendicular, and all sides congruent. The bases and home plate of a baseball diamond form
4
square. The local recreation department has created a map of its newest baseball field. First base is
represented by the point (7, -3), second base is represented by (4,6), third base is represented by
(-5, 3), and home plate is represented by (-2,-6). Is this field actually a square? What is the distance
a
from second base to home plate? What is the distance from third base to first base?
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NAME:
UNIT
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. C0NI{ECTING ALGEBRA ANt} GEOMETRY TFIHSUGH CO(}RBII\IATES
Lesson 1: Slope-and Distance
k.Howisthes1opeoftheIineconnectin8.ttere[atedtothe1ineconnecting
home olate and first base?
(m)
The stopes
(cD)
c,-re.
oppsi
4<- recxgvzc.ats,
so 6 f m .
1.HowistheslopeoftheIineconnectingre1atedtotheIineconnecting
cm)
second base and third base?
(!E)
118 slopes are qpositc reAprcals, so ft. t- &.
A+ *his ooir* u.le knoul t'he basobali dian oril. has 4 n;qftl Ls
(fn addiir
d for findin'g the distance between two points? (;n
m. Whatistheformulausedforfindinlthedistancebetweentwopoints?
on .b
+%e fir,ro
additiar
{rc -t6etu.ro
o?
Pairs
paro"tLat si.des).
d=
n. \{hat is the distance between first base and second base?
Ab=
f$m
=ftJrl
=W
n8rtr
o. What is the distance between second base and third base?
ec=
p.
q.
r.
=fi-*
8tq
=
^J-qo-
=tjfrol
ct.lt sides
ore e
What is the distance between third base and home plate?
CD=
= fiEffi=J4b
=m.
What is the distance between home plate and first base?
DA=
={qG
= Jat =hJ-,;l
Is the baseball diamond a square?
yes,
11-
has
z^ptrs of poruilel sides, { rgh+ Le,
a^t { * srdes.
s. \{hat is the distance between second base and home plate?
Jab-r.r,t
t.
=.fia[
=
,3jGMir
\{hat is the distance
nC=
between third base and
frst
u. \{hat do you notice about these two distances?
base?
={ffir-f =ffiaa=nm=[t,F|
Thrg o{e g Qnis ?roves *he
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NAME:
UNIT
6
. S0NNESTIHG
ALGEBHA ANEI GE0MTTHY THR0UGH C00HIIIHATES
Lesson 1: Slopeand Distance
Problem-Based Task 6.1.2: Field of Dreams
Coaching
,
a. What does the map of the field look like?
a sxljore-
b.
\A-Ihich sides of the baseball field are opposites?
6,
ffi"n*
*-
urL To
c. What is the slope of the line connecting first base and second base?
ry=3=
run -3
d.
What is the slope of the line connecting home plate and third base?
9=
-3
e. \{hat
is the slope of the line connecting home plate and first base?
r(5e-
- 7 --nma
-l
-
f.
What is the slope of the line connecting third base and secorid base?
?
-I
g
b'
fue opposite
Yes
_
sides parallel?
, eo +his ?to{es ;+'s a' Ynllelo3r&rn
h. Which sides of the baseballfield are consecutive?
m; €.r--A-"u6,
i.
a,rl1;;.,d 6 "t6s
How is the slope of the line connecting first and segond hese related to the line connecting
(m)
plate?
first base and home
+
(m)
j.
eS
'
Tf€
doges
are
oyyosill-, fex+rpc.ds
How is the slope of the line connecting second base
third base and home?
r
an=d
,60 EB I
AD.
third base related to the line connecting
The slopes ore ogpsile yeblfuca,ts) so T,
t
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